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2. Cranberry glass - Wikipedia

   en.wikipedia.org/wiki/Cranberry_glass

   Cranberry glass. The beaker with lid made from Gold Ruby is attributed to Johann Kunckel. Cranberry glass or 'Gold Ruby ' glass is a red glass made by adding gold salts or colloidal gold to molten glass. Tin, in the form of stannous chloride, is sometimes added in tiny amounts as a reducing agent. The glass is used primarily in expensive ...

3. History of glass - Wikipedia

   en.wikipedia.org/wiki/History_of_glass

   Without proper rendering support, you may see question marks, boxes, or other symbols. The history of glass-making dates back to at least 3,600 years ago in Mesopotamia. However, most writers claim that they may have been producing copies of glass objects from Egypt. [1] Other archaeological evidence suggests that the first true glass was made ...

4. Glass etching - Wikipedia

   en.wikipedia.org/wiki/Glass_etching

   186 etched glass at Bankfield Museum. Glass etching, or " French embossing ", is a popular technique developed during the mid-1800s that is still widely used in both residential and commercial spaces today. Glass etching comprises the techniques of creating art on the surface of glass by applying acidic, caustic, or abrasive substances.

5. Lycurgus Cup - Wikipedia

   en.wikipedia.org/wiki/Lycurgus_Cup

   The Lycurgus Cup is a Roman glass 4th-century cage cup made of a dichroic glass, which shows a different colour depending on whether or not light is passing through it: red when lit from behind and green when lit from in front. [1] It is the only complete Roman glass object made from this type of glass, [2] and the one exhibiting the most ...

6. Roman glass - Wikipedia

   en.wikipedia.org/wiki/Roman_glass

   Glass making. Roman blown-glass cinerary urn, dated between 1st and 3rd centuries AD. Archaeological evidence for glass making during the Roman period is scarce, but by drawing comparisons with the later Islamic and Byzantine periods, it is clear that glass making was a significant industry.

7. Cameo glass - Wikipedia

   en.wikipedia.org/wiki/Cameo_glass

   Cameo glass is a luxury form of glass art produced by cameo glass engraving or etching and carving through fused layers of differently colored glass to produce designs, usually with white opaque glass figures and motifs on a dark-colored background. The technique is first seen in ancient Roman art of about 30 BC, where it was an alternative to ...